chore(deps): Update dependency FluentResults to v4 (#74)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [FluentResults](https://redirect.github.com/altmann/FluentResults) |
`3.16.0` -> `4.0.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/FluentResults/4.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/FluentResults/3.16.0/4.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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source/Dgraph.tests.e2e/Dgraph.tests.e2e.csproj

@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Assent" Version="2.4.1" />
     <PackageReference Include="FluentAssertions" Version="8.5.0" />
-    <PackageReference Include="FluentResults" Version="3.16.0" />
+    <PackageReference Include="FluentResults" Version="4.0.0" />
     <PackageReference Include="McMaster.Extensions.CommandLineUtils" Version="4.1.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.7" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.7" />

source/Dgraph/Dgraph.csproj

@@ -23,7 +23,7 @@
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
     <PackageReference Include="Grpc.Net.Client" Version="2.71.0" />
     <PackageReference Include="Grpc.Tools" Version="2.71.0" PrivateAssets="All" />
-    <PackageReference Include="FluentResults" Version="3.16.0" />
+    <PackageReference Include="FluentResults" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>